APA استشهاد

Koelma, A. (1992). Microsoft Office: Standard and professional. Prisma Computer Courses.

استشهاد بنمط شيكاغو

Koelma, Anita. Microsoft Office: Standard and Professional. Great Britain: Prisma Computer Courses, 1992.

MLA استشهاد

Koelma, Anita. Microsoft Office: Standard and Professional. Prisma Computer Courses, 1992.